first, use less water and cooler water. it can cut a load's energy use in half. i'm mary bubala, trying to help you be an energy saver. >> and for more information on how to be an energy saver, go to wjz.com and click on the special section on the home page. >>> doctor jill biden was in town to stress the importance of education in the nation's community college. >> reporter: security's tight at anne arundel's arnold campus as jill biden meets with students and faculty promoting the obama's administration commitment to supporting the community colleges. >> president obama said, you know, he wants to meet the goal by 2010 for our nation to have the highest number of college graduates. >> she's taught at community colleges and teaches english at a community college. i always say, you're my heros. it's hard, what you're doing is so hard and you're persevering. >> reporter: she toured several facilities on campus and made pastries with arts students. >> and it's thrilling and so exciting i hope it is for the students who won't actually get to see her, but know that a